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What is the pressure inside a 10.0 L flask containing 14.2 g of N2 at 26 degree celsius. Please show your steps. Iwant to see if I set my problem up correctly. Thank you?
Sheila1113
Use this formula. PV = nRT. Need to convert grams N2 to moles N2 and temperature Celsius to temperature Kelvin( add 273.15 )
14.2 grams N2 ( 1mole N2/28.02 grams) = 0.507 moles N2
26 degrees C = 299.15 Kelvin
(pressure)(10.0 liter) = (0.507 moles N2)(0.08206 Latm/molK)(299.15 K)
= 1.24 atmospheres pressure
Thank you so much for your answer. I did end up figuring it out on my own.
Wiki User
∙ 13y ago
To find the pressure inside the flask, we can use the ideal gas law: PV = nRT. First, calculate the number of moles of N2 using the formula n = m/M, where m is the mass and M is the molar mass. Then, rearrange the ideal gas law to solve for pressure: P = nRT/V. Plug in the values for n, R, T, and V to calculate the pressure.
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